Mario Diaz #318

Mario Diaz #318 1989 Upper Deck Baseball — Card Value

1989 Upper Deck Baseball

What the Mario Diaz #318 (1989 Upper Deck Baseball) card is worth — ungraded vs graded.

Mario Diaz #318 1989 Upper Deck Baseball value — Ungraded $2 · PSA 10 $26. Prices updated July 2026.

Set · 1989 Upper Deck BaseballNumber · #318
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Item details

Brand
Baseball
Set
1989 Upper Deck Baseball
Sport
Baseball
Number
#318

Mario Diaz #318 1989 Upper Deck Baseball value

A raw (ungraded) Mario Diaz #318 runs around $2, a Grade 9 about null, and a PSA 10 commands $26.

What drives the price

Grade, centering, rookie/star status, set scarcity, and print run drive sports-card value. PSA/BGS gem-mint copies and rookies of stars carry the biggest premiums; raw commons sell for little.

Price guide

Sold values by grade vs. what sellers ask today

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ConditionValueBased on
Ungraded$2eBay sold comps
PSA 10$26eBay sold comps

Frequently asked questions

What is the estimated value of the ungraded Mario Diaz #318?
The value for the ungraded Mario Diaz #318 from the 1989 Upper Deck set is not specified, but it is available for purchase.
How much is a PSA 10 graded copy of this card?
A PSA 10 graded version of the Mario Diaz #318 is valued at $26.
What set does this specific card belong to?
This baseball card belongs to the 1989 Upper Deck Baseball set.

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